refactor: 统一 TypeORM CLI 数据源配置，执行废弃列清理迁移

- data/db/data-source-cli.cjs → .ts，复用 config 模块的 pgsql 配置
- 新增迁移 CleanupTradingPairDeprecatedColumns，删除 trading_pairs 表三个废弃列
- reasonix.toml: model 升级 deepseek-pro，启用中文

reasonix.toml

@@ -3,8 +3,8 @@
 # Secrets come from the environment via api_key_env; never put keys here.
 
 config_version = 2   # schema marker for diagnostics; old versions may ignore it
-default_model = "deepseek-flash"
-# language      = "zh"   # ui/model language; empty = auto-detect from $LANG / $REASONIX_LANG
+default_model = "deepseek-pro"
+language      = "zh"   # ui/model language; empty = auto-detect from $LANG / $REASONIX_LANG
 
 [agent]
 # system_prompt = """..."""   # omit to use the built-in prompt for this version
@@ -13,8 +13,8 @@ max_steps         = 0   # executor tool-call rounds; 0 = no limit
 planner_max_steps = 12   # planner read-only tool-call rounds; 0 = no limit
 temperature       = 0.0
 auto_plan   = "off"   # off|on; off keeps plan mode manual
-# reasoning_language = "zh"   # visible reasoning language: auto|zh|en
-# auto_plan_classifier = "deepseek-flash"   # optional; only used for borderline tasks
+reasoning_language = "zh"   # visible reasoning language: auto|zh|en
+# auto_plan_classifier = "deepseek-pro"   # optional; only used for borderline tasks
 soft_compact_ratio  = 0.5   # notice only; keeps cache-first prefix intact
 compact_ratio       = 0.8   # try compacting when prompt reaches this fraction
 compact_force_ratio = 0.9   # force compacting at this high-water mark